5W-20 as specified in the manual
if you are/have in the past used synthetic oil stop. it will take two or three oil chances to stop this. if you run the motor six to eight hours in summer this will stop this too. the cause is water condensing in the oil compartment
Supercharger. ~300rwhp
The manual transmission RX8 has a capacity of about 7.1 US quarts, however on an oil change you will only be putting in about 3.7-4.5 quarts. This is due to the oil cooling system, a couple quarts stay in the line and the front oil coolers.
The kind you get from the dealership
just over half way
No, there is a yellow cap marked "oil" under the top engine cover.
Genuine Mazda 5W 30 Mineral non-synthetic oil.
~4.5 quarts w/ filter
There are numerous warning lights for a Mazda RX8. Some of the warning lights are for engine oil, charging system, ABS, and check engine.
Out the tail pipe. Literally, if the engine is healthy. The RX8 uses engine oil for the oil injection pump to keep the internal rotor seals lubricated. If your RX8 does not use at least a half quart of engine oil every 4 gas fill ups see your dealer.
Run it out of oil.
the best oil is HONDA HP TRANSMISSION OIL and the best 2 cycle engine oil is KLOTZ TECHNIPLATE and run the mixture 40:1